*::after,
*::before {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #acbaca;
}

.clock {
  position: relative;
  width: 450px;
  height: 550px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #c9d5e0;
  border-radius: 50px;
  border-top-left-radius: 250px;
  border-top-right-radius: 250px;
  box-shadow: 45px 45px 45px -15px rgba(0, 0, 0, 0.15),
    inset 15px 15px 10px rgba(255, 255, 255, 0.75),
    -15px -15px 35px rgba(255, 255, 255, 0.55),
    inset -2px -2px 15px rgba(0, 0, 0, 0.2);
}

.numbers {
  position: absolute;
  top: 30px;
  width: 390px;
  height: 390px;
  background: #152b4a;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 7px 7px 22px #152b4a66,
    inset 7px 7px 7px rgba(255, 255, 255, 0.55),
    -9px -9px 15px rgba(255, 255, 255, 1);
}

.numbers::before {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #e91e63;
  z-index: 100000;
  box-shadow: 0 0 0 1px #e91e63, 0 0 0 3px #fff, 0 0 5px 5px rgba(0, 0, 0, 0.15);
}

.numbers span {
  position: absolute;
  inset: 15px;
  text-align: center;
  color: #fff;
  font-size: 1.25em;
  transform: rotate(calc(30deg * var(--i)));
}

.numbers span b {
  font-weight: 400;
  display: inline-block;
  transform: rotate(calc(-30deg * var(--i)));
}

.numbers .circle {
  position: absolute;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(0, 0, 0, 0.75);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  z-index: 10;
}

.numbers .circle i {
  position: absolute;
  width: 6px;
  height: 50%;
  background: var(--clr);
  opacity: 0.75;
  transform-origin: bottom;
  transform: scaleY(0.5);
}

.numbers .circle#sec i {
  width: 2px;
}

.numbers .circle#min i {
  width: 4px;
}

.numbers .circle#min {
  width: 230px;
  height: 230px;
}

.numbers .circle#hrs {
  width: 180px;
  height: 180px;
}

.numbers .circle::before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--clr);
  top: -6px;
  left: 50%;
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 20px var(--clr), 0 0 60px var(--clr);
}

#time {
  position: absolute;
  bottom: 35px;
  display: flex;
  padding: 10px 20px;
  font-size: 2em;
  font-weight: 600;
  border-radius: 40px;
  background: #152b4a;
  box-shadow: 7px 7px 22px #152b4a66,
    inset 7px 7px 7px rgba(255, 255, 255, 0.55),
    -9px -9px 15px rgba(255, 255, 255, 1);
}

#time div {
  position: relative;
  width: 60px;
  text-align: center;
  color: var(--clr);
  opacity: 0.75;
}

#time div:last-child {
  font-size: 0.5em;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 500;
}

#time div:nth-child(1)::after,
#time div:nth-child(2)::after {
  content: ":";
  position: absolute;
  right: -4px;
}

#time div:nth-child(2)::after {
  animation: animate 1s steps(1) infinite;
}

@keyframes animate {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}
